class="kw">package com.hypixel.hytale.server.core.inventory;

class="kw">import com.hypixel.hytale.codec.Codec;
class="kw">import com.hypixel.hytale.codec.KeyedCodec;
class="kw">import com.hypixel.hytale.codec.builder.BuilderCodec;
class="kw">import com.hypixel.hytale.component.ComponentAccessor;
class="kw">import com.hypixel.hytale.component.Holder;
class="kw">import com.hypixel.hytale.component.Ref;
class="kw">import com.hypixel.hytale.server.core.event.events.ecs.InventorySetActiveSlotEvent;
class="kw">import com.hypixel.hytale.server.core.universe.world.storage.EntityStore;
class="kw">import java.util.List;
class="kw">import javax.annotation.Nonnull;
class="kw">import javax.annotation.Nullable;

class="kw">public class="kw">abstract class ActiveSlotInventoryComponent class="kw">extends InventoryComponent {
   @Nonnull
   class="kw">public class="kw">static class="kw">final BuilderCodec<ActiveSlotInventoryComponent> CODEC = BuilderCodec.abstractBuilder(
         ActiveSlotInventoryComponent.class, InventoryComponent.CODEC
      )
      .append(new KeyedCodec<>("ActiveSlot", Codec.BYTE), (var0, var1) -> var0.activeSlot = var1, var0 -> var0.activeSlot)
      .add()
      .afterDecode(ActiveSlotInventoryComponent::clampActiveSlot)
      .build();
   class="kw">protected byte activeSlot = -1;

   class="kw">protected ActiveSlotInventoryComponent() {
   }

   class="kw">protected ActiveSlotInventoryComponent(short var1) {
      super(var1);
      this.clampActiveSlot();
   }

   class="kw">public class="kw">abstract int getSectionId();

   class="kw">protected void clampActiveSlot() {
      if (this.activeSlot >= this.inventory.getCapacity()) {
         this.activeSlot = -1;
      }
   }

   @Override
   class="kw">public void ensureCapacity(short var1, @Nonnull List<ItemStack> var2) {
      super.ensureCapacity(var1, var2);
      this.clampActiveSlot();
   }

   class="kw">public byte getActiveSlot() {
      class="kw">return this.activeSlot;
   }

   class="kw">public void setActiveSlot(byte var1, @Nonnull Ref<EntityStore> var2, @Nonnull ComponentAccessor<EntityStore> var3) {
      if (this.activeSlot != var1) {
         byte var4 = this.activeSlot;
         this.activeSlot = var1;
         var3.invoke(var2, new InventorySetActiveSlotEvent(this.getSectionId(), var4, var1));
      }
   }

   class="kw">public void setActiveSlot(byte var1, @Nonnull Holder<EntityStore> var2, @Nonnull ComponentAccessor<EntityStore> var3) {
      if (this.activeSlot != var1) {
         byte var4 = this.activeSlot;
         this.activeSlot = var1;
         var3.invoke(var2, new InventorySetActiveSlotEvent(this.getSectionId(), var4, var1));
      }
   }

   @Nullable
   class="kw">public ItemStack getActiveItem() {
      class="kw">return this.activeSlot != -1 && this.activeSlot < this.inventory.getCapacity() ? this.inventory.getItemStack(this.activeSlot) : null;
   }
}